10138 - Top Rare Ouranosaurus Hadrosaurid Dinosaur Tooth Cretaceous Elrhaz Fm Cut & Polished Ammonites Smithsonian Miscellaneous Collections 97(12):1-29

Smithsonian Miscellaneous Collections 97(12):1-29

Location: Montana (Private Land Origin)

The back of the specimen has been plastered to try to make the piece more stable and resistant

18g(143935922109)

Precious tooth specimen of this rare leptoceratopsid species of the Upper Cretaceous of the United States

10138 - Top Rare Ouranosaurus Hadrosaurid Dinosaur Tooth Cretaceous Elrhaz Fm Cut & Polished Ammonites Smithsonian Miscellaneous Collections 97(12):1-29Scientific name: Ouranosaurus nigeriensis, (Taquet, 1976) Basal Hadrosaur Location: Gadoufaoua, Tner Desert, Niger. Geological Formation: Elrhaz Fm Age: Lower Cretaceous, Aptian Albian stage ( 113 million years) 2,7cm DESCRIPTION: Here we introduce this exceedingly rare dinosaur tooth from Elrhaz Fm. It is an authentic tooth of Ouranosaurus, herbivorous basal hadrosaur dinosaur that lived during the Aptian stage of the Early Cretaceous of modern day